Malicious PDF — malware analysis report

Heuristics 4

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://cctraff.ru/wb?keyword=morton%20whole%20home%20water%20filtration%20system In PDF document text

  • https://cdn-cms.f-static.net/uploads/4417329/normal_5f9655ef1fdbb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403128/normal_5fa3c387ce89d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387821/normal_5f9cf8680868b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465250/normal_5fa32f2528225.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413126/normal_5f9f131fc245c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367299/normal_5f8b8f1468913.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/gezejoputiwinu/cambridge_igcse_modern_world_history.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e68ed594-2981-43f5-8bce-0dbac3f920de/poulan_pro_260_chainsaw_fuel_line_diagram.pdfIn PDF document text
  • https://junevip.files.wordpress.com/2020/11/bewunomofilase.pdfIn PDF document text
  • https://s3.amazonaws.com/tokafanawa/couchtuner_rupaul_s_drag_race_season_11.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2a0d5b0f-d2d1-4a7f-90c4-714ea944f56d/nazuweji.pdfIn PDF document text
  • https://s3.amazonaws.com/nafoxuda/in_order_to_live.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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